Mitsubishi ASX top fixes: how owners handle the common issues

Practical fixes for the common Mitsubishi ASX faults owners run into.

Mitsubishi ASX
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The Mitsubishi ASX is a popular compact SUV, but like any vehicle, it can experience issues. Common problems reported by owners include electrical faults, suspension issues, and engine performance concerns. Fortunately, many of these problems have practical fixes that can help restore your ASX to optimal condition.

Electrical Faults

One of the most frequently reported issues with the Mitsubishi ASX is electrical faults, particularly with the central locking system and dashboard warning lights. These problems can often be traced back to a faulty battery or poor connections.

To address these issues, start by checking the battery terminals for corrosion and ensuring they are tightly connected. If the battery is old or weak, consider replacing it. Additionally, inspect the fuses related to the central locking system and replace any that are blown. If dashboard warning lights persist, a diagnostic scan can help identify underlying issues.

Suspension Problems

Owners have reported problems with the ASX’s suspension, particularly with the front struts and rear shock absorbers. These components can wear out over time, leading to a bumpy ride and decreased handling performance.

To fix suspension issues, first, conduct a visual inspection of the struts and shock absorbers for any signs of leaks or damage. If you notice any problems, replacing the worn components is essential. Upgrading to higher-quality aftermarket parts can also improve ride quality and longevity. Regular maintenance, including checking wheel alignment and tyre pressure, can help prevent premature wear.

Engine Performance Concerns

Some ASX owners have experienced engine performance issues, including rough idling and decreased power. These problems can often be attributed to a clogged air filter, faulty spark plugs, or issues with the fuel system.

Start by replacing the air filter and checking the spark plugs for wear. If they appear worn, replace them to improve engine performance. Additionally, consider using a fuel system cleaner to remove any deposits that may be affecting fuel delivery. Regular servicing, including oil changes and using high-quality fuel, can also help maintain optimal engine performance.

Transmission Issues

Transmission problems can be a significant concern for ASX owners, particularly with automatic models. Symptoms may include slipping gears, delayed shifting, or unusual noises. These issues can often stem from low transmission fluid levels or worn components.

To address transmission issues, first, check the fluid level and condition. If the fluid is low, top it up with the manufacturer-recommended fluid. If the fluid is dark or has a burnt smell, a transmission fluid change may be necessary. For more severe issues, it may be best to consult a professional mechanic to diagnose and repair any internal transmission problems.

Brake System Concerns

The brake system is crucial for safety, and some ASX owners have reported issues such as squeaking brakes or a spongy brake pedal. These problems can often be attributed to worn brake pads, low brake fluid, or air in the brake lines.

To resolve brake issues, start by inspecting the brake pads for wear. If they are worn down, replacing them is essential. Check the brake fluid level and top it up if necessary. If the brake pedal feels spongy, it may indicate air in the brake lines, which can be resolved by bleeding the brakes. Regular brake inspections can help catch issues early and ensure safe driving.

Tyre Wear and Alignment

Uneven tyre wear is a common issue reported by ASX owners, often caused by improper alignment or suspension problems. This can lead to reduced handling and increased fuel consumption.

To fix tyre wear issues, start by checking the tyre pressure and ensuring it is at the recommended levels. If the tyres are unevenly worn, consider having a professional alignment performed. Regularly rotating the tyres can also help promote even wear and extend their lifespan. Keeping an eye on tread depth is crucial for safety, and replacing tyres when they reach the minimum tread depth is essential.

By addressing these common issues with practical fixes, Mitsubishi ASX owners can maintain their vehicles and enjoy a reliable driving experience. Regular maintenance and prompt attention to any problems can help ensure your ASX remains in top condition for years to come.

Frequently asked questions

What common issues should I look for in a Mitsubishi ASX?

Common issues with the Mitsubishi ASX include problems with the suspension, electrical faults, and engine performance. It's advisable to check for any warning lights on the dashboard and listen for unusual noises during a test drive.

How can I tell if the ASX has been well maintained?

Check the service history for regular maintenance records, including oil changes and inspections. A well-maintained ASX should have a complete service book and receipts for any repairs.

Are there any recalls on the Mitsubishi ASX I should be aware of?

Yes, there have been recalls for certain Mitsubishi ASX models. It's important to check the vehicle's VIN against the official Mitsubishi recall database to ensure all necessary repairs have been completed.

What are the typical repair costs for a Mitsubishi ASX?

Repair costs can vary widely depending on the issue and the garage. Routine maintenance like brake pad replacement is generally affordable, while more complex repairs, such as transmission issues, can be more expensive.

Is the Mitsubishi ASX reliable for long-distance driving?

The Mitsubishi ASX is generally considered reliable for long-distance driving, provided it has been well maintained. Regular servicing and checks can help ensure it performs well on longer journeys.

What should I do if I notice a warning light on my ASX?

If a warning light appears, it's best to consult the owner's manual to identify the issue. If the light indicates a serious problem, seek professional assistance as soon as possible to avoid further damage.

How can I improve the fuel efficiency of my Mitsubishi ASX?

To improve fuel efficiency, ensure your tyres are properly inflated and consider regular servicing to keep the engine running smoothly. Driving habits, such as avoiding rapid acceleration and maintaining a steady speed, can also help.

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Sources

DVSA MOT History, Honest John reliability index, Parkers owner reviews, WhatCar reliability survey, UK Government MOT failure data.